For me no mouse at all. I've grown used to the touchpad of my macbook. It is much more useful with all the gestures (once your fingertips are hard enough). For a normal desktop I would go for one of those touchpad tablets from Wacom. They are even larger

I've talked about the programmer's take on keyboard and chair, but I have yet to cover that other computing staple: the mouse. I was reminded when HMK referenced Ars Technica's History of the GUI: This was the mouse, invented by Douglas himself [in 1968] and built by one of his engineers. Nob...